– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Tue 03 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Tue 03 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 13mm), heaviest on Wed night. Very mild (max 12°C on Tue morning, min 6°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 39mm), heaviest during Sat night. Very mild (max 16°C on Sat morning, min 5°C on Sat night). Wind will be generally light. | |||||||||||||||||
Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  |  | |  |  | | | | | | | | | |
cloudy | some clouds | clear | clear | cloudy | rain shwrs | rain shwrs | clear | light rain | light rain | light rain | rain shwrs | some clouds | cloudy | rain shwrs | rain shwrs | rain shwrs | rain shwrs | |
Cloud base (m) | 4200 | 2600 | 2250 | 9200 | 3250 | 600 | 900 | 8150 | 2750 | 800 | 650 | 1550 | 3700 | 600 | 600 | 1600 | 700 | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 10 | 1.5 | — | 0.7 | 3 | 1.1 | 2 | — | — | 24 | 0.1 | 9 | 0.1 |
max °C | 12 | 11 | 10 | 12 | 10 | 8 | 9 | 8 | 7 | 7 | 8 | 11 | 16 | 14 | 6 | 8 | 6 | 5 |
min °C | 11 | 9 | 8 | 11 | 9 | 6 | 8 | 6 | 6 | 6 | 8 | 8 | 14 | 11 | 5 | 7 | 6 | 5 |
chill °C | 11 | 9 | 8 | 11 | 7 | 6 | 7 | 6 | 5 | 4 | 7 | 7 | 14 | 9 | 5 | 4 | 5 | 5 |
Freezing level m | 2350 | 2350 | 2450 | 2550 | 2200 | 1600 | 1600 | 1750 | 1850 | 1700 | 2450 | 2650 | 3050 | 2850 | 1500 | 1450 | 1450 | 1500 |
 | 6:56 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — | 7:03 | — | — | 7:05 | — | — |
 | — | 4:44 | — | — | 4:42 | — | — | 4:40 | — | — | 4:38 | — | — | 4:37 | — | — | 4:36 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 13mm), heaviest on Wed night. Very mild (max 12°C on Tue morning, min 6°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 39mm), heaviest during Sat night. Very mild (max 16°C on Sat morning, min 5°C on Sat night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.